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According to Microsoft statistics, the upper limit of dynamic domain name queries that a DNS server can withstand is 9,000 requests per second. However, we know that tens of thousands of domain name resolution requests per second can be easily constructed on a P3 PC, which is enough to paralyze a DNS server with extremely high hardware configuration, thus showing the vulnerability of the DNS server. At present, the most commonly used DNS server software is the leading WINMYDNS in China and Bind abroad.本片由三段互无关联的故事组成。《她的回忆》：2092年，由伊瓦诺夫领导的太空垃圾回收飞船在返航途中接收到来自“宇宙坟场”的求救信号，特殊的是，信号中掺杂着歌剧《蝴蝶夫人》的唱段。队员汉兹与米格尔前往施救，却进入了一位歌剧演员艾娃的回忆，这些栩栩如生的回忆场景对船员们产生了威胁；《最臭兵器》：供职于制药公司的小职员田中信男拖着病体赶回公司，无意中服用了公司与军方合作的实验药品。自此信男成为了制造致命臭气的肉身工厂，对此毫不自知的信男却按照上司命令将药品样本送往东京总部，一路上引起大面积恐慌，军方不得不派出大批军队半路截杀信男；《大炮之街》：在一座由蒸汽驱动的城市中，一家三口展开了一天的生活。母亲去制造炮弹的工厂上班，父亲在炮台担任装填手，小儿子在学校里学习与大炮相关的知识。炮台不停开炮，但敌人的身影却始终没有出现……On February 7, the official microblog of @ West China Metropolis Daily released a report that "the girl and her boyfriend went back to the countryside to celebrate the New Year and wanted to break up after seeing the first meal".Is the browser event comparison relationship, is the binding object, is the function to receive the second parameter, that is, the above (document).1. OrderType (Recharge Type), if the value is 1, it means the user who recharged 500 yuan, if it is 2, it means the user who recharged 200 yuan, and if it is 3, it means the user who did not recharge.东汉末年，宦官当权，民不聊生。灵帝中平元年，张角兄弟发动黄巾起义，官军闻风丧胆。为抵抗黄巾，幽州太守刘焉出榜招兵。当时，刘备、关羽、张飞都去看那招兵榜文。那刘备是中山靖王之后，汉景帝阁下玄孙，身长七尺五寸，虽然沦落下层，以贩麻鞋、织席为业，但不失龙子龙孙的风采。Don't rely solely on internal defense mechanisms